GHSA-4QQC-MP5F-CCV4

Vulnerability from github – Published: 2020-09-02 15:05 – Updated: 2020-09-02 15:04
VLAI
Summary
Command Injection in bestzip
Details

Versions of bestzip prior to 2.1.7 are vulnerable to Command Injection. The package fails to sanitize input rules and passes it directly to an exec call on the zip function . This may allow attackers to execute arbitrary code in the system as long as the values of destination is user-controlled. This only affects users with a native zip command available. The following examples demonstrate the issue from the CLI and also programatically: - bestzip test.zip 'sourcefile; mkdir folder' - zip({ source: 'sourcefile', destination: './test.zip; mkdir folder' })

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "bestzip"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-09-02T15:04:08Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "Versions of `bestzip` prior to 2.1.7 are vulnerable to Command Injection. The package fails to sanitize input rules and passes it directly to an `exec` call on the `zip` function . This may allow attackers to execute arbitrary code in the system as long as the values of `destination` is user-controlled. This only affects users with a native `zip` command available. The following examples demonstrate the issue from the CLI and also programatically:\n- `bestzip test.zip \u0027sourcefile; mkdir folder\u0027`\n- `zip({ source: \u0027sourcefile\u0027, destination: \u0027./test.zip; mkdir folder\u0027 })`",
  "id": "GHSA-4qqc-mp5f-ccv4",
  "modified": "2020-09-02T15:04:08Z",
  "published": "2020-09-02T15:05:51Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/1554"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Command Injection in bestzip"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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